package com.fei.service;

import com.fei.bean.MusicBean;

import java.util.List;

public interface MusicService {

    public List<MusicBean> selectOneSingerIdService(int singer_id);

    public MusicBean selectOneIdService(int id);

    public int insertMusicSingerService(MusicBean music);

//    验证该歌曲名是否添加过
    public Boolean ValidSongTitleService(String song_title);

//    删除歌曲
    public int deleteMusicOneIdService(int id);

//    删除某一歌手的歌曲
    public int deleteSingerAllService(int singer_id);

}
